void ScanShaderGraph(SCShader shader)
{
shader.editedByShaderControl = File.Exists(shader.path + BACKUP_SUFFIX);
// Reads shader
string shaderContents = File.ReadAllText(shader.path, Encoding.UTF8);
shaderContents = shaderContents.Replace("UnityEditor.ShaderGraph.ShaderKeyword", "ShaderControl.SCWindow.SerializedKeyword");
ShaderGraphProxy graph = JsonUtility.FromJson <ShaderGraphProxy>(shaderContents);
SCShaderPass currentPass = new SCShaderPass();
if (graph.m_SerializedKeywords != null)
{
for (int k = 0; k < graph.m_SerializedKeywords.Length; k++)
{
SerializedKeywordData skw = graph.m_SerializedKeywords[k];
if (string.IsNullOrEmpty(skw.JSONnodeData))
{
continue;
}
SerializedKeywordProxy kw = JsonUtility.FromJson <SerializedKeywordProxy>(skw.JSONnodeData);
PragmaType pragmaType = PragmaType.Unknown;
if (kw.m_KeywordDefinition == SHADER_GRAPH_KEYWORD_DEFINITION_MULTI_COMPILE && kw.m_KeywordScope == SHADER_GRAPH_KEYWORD_SCOPE_GLOBAL)
{
pragmaType = PragmaType.MultiCompileGlobal;
}
else if (kw.m_KeywordDefinition == SHADER_GRAPH_KEYWORD_DEFINITION_MULTI_COMPILE && kw.m_KeywordScope == SHADER_GRAPH_KEYWORD_SCOPE_LOCAL)
{
pragmaType = PragmaType.MultiCompileLocal;
}
else if (kw.m_KeywordDefinition == SHADER_GRAPH_KEYWORD_DEFINITION_SHADER_FEATURE && kw.m_KeywordScope == SHADER_GRAPH_KEYWORD_SCOPE_GLOBAL)
{
pragmaType = PragmaType.FeatureGlobal;
}
else if (kw.m_KeywordDefinition == SHADER_GRAPH_KEYWORD_DEFINITION_SHADER_FEATURE && kw.m_KeywordScope == SHADER_GRAPH_KEYWORD_SCOPE_LOCAL)
{
pragmaType = PragmaType.FeatureLocal;
}
SCKeywordLine keywordLine = new SCKeywordLine();
keywordLine.pragmaType = pragmaType;
SCKeyword keyword = new SCKeyword(kw.m_DefaultReferenceName, kw.m_Name);
keywordLine.Add(keyword);
currentPass.Add(keywordLine);
}
}
shader.Add(currentPass);
shader.UpdateVariantCount();
}
void ScanShaderNonGraph(SCShader shader)
{
// Reads shader
string[] shaderLines = File.ReadAllLines(shader.path);
string[] separator = new string[] { " " };
SCShaderPass currentPass = new SCShaderPass();
SCShaderPass basePass = null;
int pragmaControl = 0;
int pass = -1;
bool blockComment = false;
SCKeywordLine keywordLine = new SCKeywordLine();
for (int k = 0; k < shaderLines.Length; k++)
{
string line = shaderLines[k].Trim();
if (line.Length == 0)
{
continue;
}
int lineCommentIndex = line.IndexOf("//");
int blocCommentIndex = line.IndexOf("/*");
int endCommentIndex = line.IndexOf("*/");
if (blocCommentIndex > 0 && (lineCommentIndex > blocCommentIndex || lineCommentIndex < 0))
{
blockComment = true;
}
if (endCommentIndex > blocCommentIndex && (lineCommentIndex > endCommentIndex || lineCommentIndex < 0))
{
blockComment = false;
}
if (blockComment)
{
continue;
}
string lineUPPER = line.ToUpper();
if (lineUPPER.Equals("PASS") || lineUPPER.StartsWith("PASS "))
{
if (pass >= 0)
{
currentPass.pass = pass;
if (basePass != null)
{
currentPass.Add(basePass.keywordLines);
}
shader.Add(currentPass);
}
else if (currentPass.keywordCount > 0)
{
basePass = currentPass;
}
currentPass = new SCShaderPass();
pass++;
continue;
}
int j = line.IndexOf(PRAGMA_COMMENT_MARK);
if (j >= 0)
{
pragmaControl = 1;
}
else
{
j = line.IndexOf(PRAGMA_DISABLED_MARK);
if (j >= 0)
{
pragmaControl = 3;
}
}
if (lineCommentIndex == 0 && pragmaControl != 1 && pragmaControl != 3)
{
continue; // do not process lines commented by user
}
PragmaType pragmaType = PragmaType.Unknown;
int offset = 0;
j = line.IndexOf(SCKeywordLine.PRAGMA_MULTICOMPILE_GLOBAL);
if (j >= 0)
{
pragmaType = PragmaType.MultiCompileGlobal;
offset = SCKeywordLine.PRAGMA_MULTICOMPILE_GLOBAL.Length;
}
else
{
j = line.IndexOf(SCKeywordLine.PRAGMA_FEATURE_GLOBAL);
if (j >= 0)
{
pragmaType = PragmaType.FeatureGlobal;
offset = SCKeywordLine.PRAGMA_FEATURE_GLOBAL.Length;
}
else
{
j = line.IndexOf(SCKeywordLine.PRAGMA_MULTICOMPILE_LOCAL);
if (j >= 0)
{
pragmaType = PragmaType.MultiCompileLocal;
offset = SCKeywordLine.PRAGMA_MULTICOMPILE_LOCAL.Length;
}
else
{
j = line.IndexOf(SCKeywordLine.PRAGMA_FEATURE_LOCAL);
if (j >= 0)
{
pragmaType = PragmaType.FeatureLocal;
offset = SCKeywordLine.PRAGMA_FEATURE_LOCAL.Length;
}
}
}
}
if (j >= 0)
{
if (pragmaControl != 2)
{
keywordLine = new SCKeywordLine();
}
keywordLine.pragmaType = pragmaType;
// exclude potential comments inside the #pragma line
int lastStringPos = line.IndexOf("//", j + offset);
if (lastStringPos < 0)
{
lastStringPos = line.Length;
}
int length = lastStringPos - j - offset;
string[] kk = line.Substring(j + offset, length).Split(separator, StringSplitOptions.RemoveEmptyEntries);
// Sanitize keywords
for (int i = 0; i < kk.Length; i++)
{
kk[i] = kk[i].Trim();
}
// Act on keywords
switch (pragmaControl)
{
case 1: // Edited by Shader Control line
shader.editedByShaderControl = true;
// Add original keywords to current line
for (int s = 0; s < kk.Length; s++)
{
keywordLine.Add(shader.GetKeyword(kk[s]));
}
pragmaControl = 2;
break;
case 2:
// check enabled keywords
keywordLine.DisableKeywords();
for (int s = 0; s < kk.Length; s++)
{
SCKeyword keyword = keywordLine.GetKeyword(kk[s]);
if (keyword != null)
{
keyword.enabled = true;
}
}
currentPass.Add(keywordLine);
pragmaControl = 0;
break;
case 3: // disabled by Shader Control line
shader.editedByShaderControl = true;
// Add original keywords to current line
for (int s = 0; s < kk.Length; s++)
{
SCKeyword keyword = shader.GetKeyword(kk[s]);
keyword.enabled = false;
keywordLine.Add(keyword);
}
currentPass.Add(keywordLine);
pragmaControl = 0;
break;
case 0:
// Add keywords to current line
for (int s = 0; s < kk.Length; s++)
{
keywordLine.Add(shader.GetKeyword(kk[s]));
}
currentPass.Add(keywordLine);
break;
}
}
}
currentPass.pass = Mathf.Max(pass, 0);
if (basePass != null)
{
currentPass.Add(basePass.keywordLines);
}
shader.Add(currentPass);
shader.UpdateVariantCount();
}